//
//  ListUnorderedViewController.swift
//  VDSSample
//
//  Created by Vasavi Kanamarlapudi on 16/10/24.
//

import Foundation
import VDS

class ListUnorderedViewController: BaseViewController<ListUnordered> {
    
    lazy var sizePickerView = {
        PickerSelectorView(title: "Large",
                           picker: self.picker,
                           items: ListUnordered.Size.allCases)
    }()
    
    lazy var spacingPickerView = {
        PickerSelectorView(title:"Standard",
                           picker: self.picker,
                           items: ListUnordered.Spacing.allCases)
    }()
    
    var leadInTextField = TextField()
    var itemLevelTwoTextOne = TextField()
    var itemLevelTwoTextTwo = TextField()
    
    var unorderedList: [ListUnordered.ListUnorderedItemModel]?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        addContentTopView(view: component)
        setupPicker()
        setupModel()
    }
    
    override func setupForm() {
        super.setupForm()
        addFormRow(label: "Surface", view: surfacePickerSelectorView)
        addFormRow(label: "Size", view: sizePickerView)
        addFormRow(label: "Spacing", view: spacingPickerView)
        
        let form1 = FormSection()
        form1.title = "Lead-In Text (optional)"
        form1.addFormRow(label: "Lead In Text", view: leadInTextField)
        
        let form2 = FormSection()
        form2.title = "List Item Level 2 (Optional)"
        form2.addFormRow(label: "Subtext 1", view: itemLevelTwoTextOne)
        form2.addFormRow(label: "Subtext 2", view: itemLevelTwoTextTwo)
        
        append(section: form1)
        append(section: form2)
        
        leadInTextField
            .textPublisher
            .sink { [weak self] text in
                self?.component.leadInText = text
            }.store(in: &subscribers)
        
        itemLevelTwoTextOne
            .textPublisher
            .sink { [weak self] text in
                guard let self else { return }
                self.updateUnorderList()
                self.component.unorderedList = unorderedList ?? []
            }.store(in: &subscribers)
        
        itemLevelTwoTextTwo
            .textPublisher
            .sink { [weak self] text in
                guard let self else { return }
                self.updateUnorderList()
                self.component.unorderedList = unorderedList ?? []
            }.store(in: &subscribers)
    }
    
    func setupPicker() {
        surfacePickerSelectorView.onPickerDidSelect = { [weak self] item in
            self?.component.surface = item
            self?.contentTopView.backgroundColor = item.color
        }
        
        sizePickerView.onPickerDidSelect = { [weak self] item in
            self?.component.size = item
        }
        
        spacingPickerView.onPickerDidSelect = { [weak self] item in
            self?.component.spacing = item
        }
    }
    
    func setupModel() {
        sizePickerView.text = component.size.rawValue
        spacingPickerView.text = component.spacing.rawValue
        leadInTextField.text = "To manage your existing Call Intercept calling feature:"
        self.component.leadInText = leadInTextField.text
        itemLevelTwoTextOne.text = "Priority callers can bypass Call Intercept by entering your 4 digit Call Intercept Override Code."
        itemLevelTwoTextTwo.text = "Your phone will alert you with a short-short-long ring and \"Priority Caller\" will appear on your display."
        updateUnorderList()
        self.component.unorderedList = self.unorderedList ?? []
    }
    
    // Update test data
    func updateUnorderList() {
        if (itemLevelTwoTextOne.text?.isEmpty == true) {
            itemLevelTwoTextOne.text = nil
        }
        if (itemLevelTwoTextTwo.text?.isEmpty == true) {
            itemLevelTwoTextTwo.text = nil
        }
        var levelTwoSubTexts : [String?]? = nil
        if let subtextOneEmpty = itemLevelTwoTextOne.text?.isEmpty, let subtextTwoEmpty = itemLevelTwoTextTwo.text?.isEmpty {
            if !subtextOneEmpty && !subtextTwoEmpty {
                levelTwoSubTexts = [itemLevelTwoTextOne.text, itemLevelTwoTextTwo.text]
            } else if !subtextOneEmpty || !subtextTwoEmpty {
                if subtextOneEmpty {
                    levelTwoSubTexts = [itemLevelTwoTextTwo.text]
                } else if subtextTwoEmpty {
                    levelTwoSubTexts = [itemLevelTwoTextOne.text]
                }
            }
            unorderedList = [
                .init(itemLevelOneText: "Call 800-435-7986 to have your PIN reset."),
                .init(itemLevelOneText: "To bypass Call Intercept",
                      itemLevelTwoTexts: levelTwoSubTexts)
            ]
        }
    }
}

extension ListUnorderedViewController: ComponentSampleable {
    static func makeSample() -> ComponentSample {
        let component = Self.makeComponent()
        return ComponentSample(component: component)
    }
}